Retreads are defined as used tires that have undergone a remolding process to create a new tread. Antonyms for the word "retreads" include fresh, new, original, and pristine. These words suggest something that is not used or recycled, but untouched and original. Other antonyms could be unique, novel, distinct, and innovative, which emphasize individuality and creativity. The antonyms also indicate quality and value, implying that retreading may not guarantee the same level of safety and durability as original tires. In conclusion, while retreads have benefits such as reduced cost and environmental impact, it's essential to consider the antonyms and choose the best option based on the specific requirements of each situation.